(19)

(11)

EP 3 990 422 A1

(12)

(43) Date of publication: 04.05.2022 Bulletin 2022/18 (21) Application number: 20735746.8 (22) Date of filing: 12.06.2020

(51) International Patent Classification (IPC):  C07C 5/333(2006.01) (52) Cooperative Patent Classification (CPC): C07C 5/333   C-Sets: C07C 5/333, C07C 15/46; C07C 5/333, C07C 11/02; C07C 5/333, C07C 11/04; C07C 5/333, C07C 11/06; C07C 5/333, C07C 11/08; (86) International application number: PCT/US2020/037420 (87) International publication number: WO 2020/263599 (30.12.2020 Gazette 2020/53)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 28.06.2019 US 201962868340 P (71) Applicant: Dow Global Technologies LLC Midland, MI 48674 (US)	(72) Inventors: PRETZ, Matthew T. Freeport, Texas 77541 (US) WANG, Hangyao Freeport, Texas 77541 (US) PLAUCK, Anthony Freeport, Texas 77541 (US) MCNEELEY, Adam M. Freeport, Texas 77541 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)